A forensic toxicologist with 30 years of experience in both academia and accredited forensic laboratories in California, New Mexico, and Texas
Over 20 years of experience as an independent forensic toxicology consultant (Kerrigan Forensic Consulting, LLC) with offices currently based in San Diego, CA
Executive Director, Institute for Forensic Research, Training and Innovation (IFRTI), Sam Houston State University
Professor and former Chair of the Department of Forensic Science at Sam Houston State University
Leadership & Recognition
Past President, Society of Forensic Toxicologists (SOFT)
Past President, California Association of Toxicologists (CAT)
Executive Board Member & Vice President, American Academy of Forensic Sciences (AAFS)
Member, Forensic Science Standards Board (FSSB), National Institute of Standards and Technology (NIST)
Long‑time appointee to the Texas Forensic Science Commission
Recipient of the Rolla N. Harger Award (American Academy of Forensic Sciences) in recognition of contributions to forensic toxicology and the advancement of the profession
